EP1890902A1 - Pedal assembly for a motor vehicle - Google Patents

Abstract

A pedal arrangement is provided for a motor vehicle with a bracket ( 2 ) and with an E-gas module ( 3 ) fastened thereto via a plug-in connection. The an E-gas module ( 3 ) has a pedal bearing ( 29 ), on which a gas pedal ( 11 ) is mounted pivotably about a pivot axis ( 12 ), wherein a structural unit that is independent from the bracket ( 2 ) is formed by the E-gas module ( 3 ).

Description

 Pedal arrangement for a motor vehicle

description

The invention relates to a pedal assembly for a motor vehicle, with a holder and an attached thereto via a plug connection E-gas module with a pedal bearing to which an accelerator pedal is pivotally mounted about a pivot axis.

Known E-gas modules are z. B. by screw (usually three) connected to the vehicle body or the Pedalbock. This makes it possible to assemble and disassemble these e-gas modules as often as desired. In addition, a fastening is realized, which allows the transmission of power to the vehicle body or the pedal bracket problems. Furthermore, this type of attachment has been standardized for different model series of vehicle manufacturers.

However, the known attachments of e-gas modules are very costly and installation-intensive, since usually three attachment points are equipped with sockets, screws and / or nuts. Furthermore, these components cause additional costs due to the associated logistics. Furthermore, these components can contribute to a considerable extent to the overall weight of the pedal assembly. Finally, in the case of recycling regularly remove the metallic components (screws, bushes, nuts), which increases the cost and thus the cost of recycling. From DE 101 35 537 Al an accelerator pedal module for a motor is known, wherein a sensor for detecting the position of a pedal lever is provided to a mounting plate, which serves for the pivotal mounting of the pedal lever. The position sensor is designed as an independent structural unit, which is attached to the mounting plate, wherein the sensor is received by a housing. On a broad side of the mounting plate, a bearing block is integrally formed, which forms a fixed part of the pedal lever bearing. The sensor housing has a rail-like foot which is inserted parallel to the axis of rotation in a retaining groove formed on the mounting plate. For this purpose, the retaining groove on a broad side of the mounting plate on the opposite side of the bearing block is axially open. It has a T-shaped cross-sectional profile, which encloses the foot of the sensor housing in a form-fitting manner, so that it is displaceable in the direction parallel to the axis of rotation, but otherwise fixed.

The sensor and the pedal bearing form an e-gas module, which is composed of its individual parts directly to the mounting plate or bracket. Even with a disassembly of the e-gas module from the bracket this must be disassembled at the location of the mounting plate in its individual parts.

The object of the invention is to develop a pedal assembly of the type mentioned in such a way that the assembly and, where appropriate, the disassembly of the e-gas module is simplified to or from the holder.

This object is achieved with a pedal assembly according to claim 1. Preferred developments are given in the dependent claims.

The pedal assembly according to the invention for a motor vehicle has a holder and an E-gas module fastened thereto in particular via a plug-in connection with a pedal bearing to which an accelerator pedal is pivotably mounted about a pivot axis, the E-gas module having a structural unit independent of the holder forms. In the pedal assembly according to the invention, it is thus possible to connect the E-gas module as a standalone and fully assembled unit to the holder, whereby the mounting of the E-gas module is simplified to the holder. An e-gas module should in this case be understood in particular to be an independent structural unit which has at least one pedal bearing and preferably also a sensor which can detect the pivoting movements of the accelerator pedal relative to the pedal bearing or to the holder. The preferably designed as a pivot bearing pedal bearing and possibly also the sensor are thus an integral part of the independent of the holder structural unit, which is formed by the E-gas module. In this case, the pedal bearing and optionally the sensor preferably sit together in or on a housing of the e-gas module.

Further, electrical connections or lines may extend from the E-gas module to a control device, which can evaluate the signals detected by the sensor and drive the motor of a motor vehicle according to the detected pivot position of the accelerator pedal. In order to electrically connect the E-gas module to the control device, a plug connection may be provided, the socket or plug of which is preferably provided on the E-gas module or on the housing and is electrically connected to the sensor. Thus, in electrical terms, the e-gas module as a separable from the motor vehicle or the control device structural unit can be formed.

The E-gas module is preferably releasably attached to the bracket via the connector and can be separated as a structural unit, in particular together with the accelerator pedal again from the holder. But so that the e-gas module but not unintentionally detached from the holder, the connector can simultaneously form a clamp connection, which determines the e-gas module in addition to the positive connection frictionally on the holder. Alternatively or in addition to the clamping connection, it is also possible to secure the e-gas module to the holder via a snap connection, which is preferably designed as a detachable snap connection.

To realize the plug-in connection, a first retaining groove and a first foot inserted in the latter can be provided, which engages in a form-fitting manner in the first retaining groove. The first retaining groove thus forms a guide for the first foot, in which it is guided displaceably for the purpose of assembly or disassembly and in particular is held positively in a form-locking manner perpendicular to the displacement direction. In this case, the first holding groove extends in particular perpendicular to the pivot axis, so that the first foot is inserted or inserted perpendicular to this in the first holding groove. By running perpendicular to the rotation or pivot axis first retaining groove acting on the E-gas module torques can be easily and safely recorded. Alternatively, however, the first retaining groove can also run parallel to the pivot axis, so that the first foot is inserted or pushed parallel to it into the first retaining groove.

If the pedal assembly is installed in a motor vehicle, the first retaining groove extends in particular from "above" to "below", whereby the first foot or the e-gas module is preferably inserted or pushed into the first retaining groove from "above" to "below" , Furthermore, in the assembled state, the E-gas module can abut against a stop which restricts further displacement of the first foot or of the E-gas module, in particular to "down." The installation direction running "downwards" provides a certain intrinsic safety feature for the device E-gas module, so that it can not solve itself or by vibration of the holder. The terms "top" and "bottom" are to be seen here in connection with the gravitational field of the earth. The weight of the E-gas module thus ensures the firm cohesion of E-gas module and bracket, which cohesion can be supplemented by the additional possible snap connection.

Preferably, at least one projection is provided on the first foot, which engages in at least one provided in the first retaining groove undercut. In addition, the first retaining groove in particular has an insertion region and an engagement region with the undercut, in which the projection provided on the first foot engages, wherein the groove opening of the introduction region is larger than the groove opening of the engagement region. For assembly, the first foot can be introduced with its projection through the slot opening of the lead-in area into the retaining groove and then pushed along it into the engagement area, preferably perpendicular to the pivot axis, so that the projection engaging in the undercut a secure cohesion of E-gas module and bracket is guaranteed. For this purpose, the introduction area and the engagement area preferably merge into one another. Furthermore, the groove opening of the introduction region is in particular so large that the first foot with its projection can also be introduced through it into the first retaining groove. For this purpose, the slot opening of the lead-in area perpendicular to the plug-in direction and / or parallel to the pivot axis can be larger than the slot opening of the engagement area, so that in particular the width of the slot opening of the lead-in area transverse to the plug-in direction is greater than the width of the slot opening of the engagement area transverse to the plug-in direction. Furthermore, the engagement region and the insertion region are preferred, for example, in a direction perpendicular to the pivot axis, arranged side by side.

The first retaining groove and the first foot may have a T-shaped cross section at least in regions, so that the T-shaped region of the first foot engages in a form-fitting manner in the T-shaped recess of the first retaining groove. The plane of symmetry of these T-shaped cross sections preferably runs perpendicular to the pivot axis. When the first retaining groove is perpendicular to the pivot axis, the first foot with its T-shaped portion in a direction perpendicular to the axis of rotation in the first retaining groove or for the assembly and possibly also for disassembly of the E-gas module to or from the holder. slidable in the T-shaped region of the first retaining groove.

In principle, it is possible to form the first holding groove on the E-gas module and the first foot on the holder. Preferably, however, the first leg is provided on the e-gas module and the first retaining groove on the bracket, the first leg being integral with the housing of the e-gas module, e.g. is made of plastic.

In addition, the connector at a distance from the first holding a second retaining groove and at a distance from the first foot have a second foot which is inserted into the second retaining groove and in particular engages positively in this. Thus, a relatively short assembly path is long compared to a single, long groove or one executed foot possible so that a fast and safer installation can be achieved and jamming between holding and foot practically hardly occurs or not at all. In this case, the second retaining groove preferably extends perpendicular to the pivot axis, so that the second foot is inserted or inserted perpendicular to the pivot axis into the second retaining groove. Alternatively, however, the second retaining groove can also run parallel to the pivot axis, so that the second foot is inserted or pushed parallel to it into the second retaining groove. The second retaining groove forms a guide for the second foot, in which it is guided for the purpose of assembly or disassembly, in particular perpendicular to the pivot axis, slidably and is preferably held positively perpendicular to the displacement direction. Furthermore, the first holding groove and the second holding groove are in particular on a common straight line.

The two feet are preferably provided on the E-gas module and the two retaining grooves on the support, the second foot being e.g. integral with the housing of the E-gas module e.g. can be made of plastic. Alternatively, however, the retaining grooves on the e-gas module and the feet may be provided on the holder.

The second retaining groove is preferably closed on its front side facing the first retaining groove, so that this closed end face can form a stop, up to which the second foot can be pushed into the second retaining groove. Such a stop serves as an additional backup, on the other hand as an assembly aid. Furthermore, the second retaining groove may be open on its end face facing away from the first retaining groove, so that the second foot can be inserted or inserted through this open end side into the second retaining groove. It is also possible for the first retaining groove to be open at its end facing away from the second retaining groove.

If the e-gas module and the holder are not only connected to one another via a plug-in connection, but also via a snap connection, then the plug-in connection can additionally have a snap hook and a recess into which the snap hook engages. The second foot may have the snap hook, which engages in the recess provided in the holder or the e-gas module, wherein the Snap hook is arranged in particular at the end facing away from the first foot of the second foot. The snap hook and the recess form the above-mentioned snap connection, which is designed in particular as a detachable snap connection.

Preferably, at least one projection is provided on the second foot, which engages in at least one provided in the second retaining groove undercut. In particular, the second retaining groove and the second foot may have a T-shaped cross section at least in regions, so that the T-shaped region of the second foot engages positively in the T-shaped recess of the second retaining groove. The plane of symmetry of these T-shaped cross sections preferably runs perpendicular to the pivot axis. When the second retaining groove is perpendicular to the pivot axis, the second foot with its T-shaped portion in a direction perpendicular to the axis of rotation in the second retaining groove or for the assembly and possibly also for disassembly of the E-gas module to or from the holder. slidable in the T-shaped region of the second retaining groove.

With the pedal assembly according to the invention, it is possible to realize a fixation of the e-gas module to the holder, this fixation possible without additional fastening components. In particular, the possibilities of the material plastic are used, wherein the holder and / or the housing of the e-gas module including the connector and optionally the snap connection made of plastic can be produced. The body (or housing) of the e-gas module can be designed so that it is connected on the side facing the pedal using the plug or clamp connection with the pedal module, in particular inserted or screwed. The higher resulting forces are to be expected on the side facing the pedal (eg in the area of the first foot). On the side facing away from the pedal (eg in the region of the second foot), however, a positive and positive connection can also be achieved by means of the plug connection. Furthermore, it is possible to realize here a backup against slipping out of the e-gas module by a snap hook. In this case, from the practice of the car manufacturer no test is known, which loads the E-gas module in this direction of force. In particular, the following advantages can be achieved with the pedal assembly according to the invention: Fixation of the E-gas module to the bracket without additional fasteners. Facilitating the mounting of the e-gas module to the bracket through the insertion solution created by the connector.

Weight savings through no longer required fasteners, such. Bolts, screws or nuts.

Cost savings through simple assembly and the possible omission of the fixing elements.

Possibility of disassembly without additional tools. Dismantling can be repeated as often as preferred, since no thread-forming screws are used.

In the case of recycling a costly disassembly of the e-gas module can be avoided because preferably no metal parts such. As sockets, screws or nuts have been used.

Furthermore, the invention relates to a motor vehicle with a pedal assembly, wherein the pedal assembly is fixed to the vehicle body, in particular on the passenger compartment of the engine compartment separating bulkhead. The pedal assembly is a pedal assembly according to the invention, which can be developed according to all the aforementioned embodiments.

The invention will be described below with reference to a preferred embodiment with reference to the drawing. In the drawing show:

1 is a perspective view of an embodiment of the pedal assembly according to the invention,

2 is a first schematic sectional view of the pedal assembly according to Fig.l,

3 is a second schematic sectional view of the pedal assembly according to Fig.l, 4 is a third schematic sectional view of the pedal assembly according to Fig.l,

5 is a perspective view of the E-gas module according to Fig.l and

Fig. 6 is a perspective view of the holder according to Fig.l without E-gas module.

From Fig. 1 is a perspective view of an embodiment of the pedal assembly 1 according to the invention can be seen, wherein on a pedal bracket (bracket) 2, an E-gas module 3 is attached. The Pedalbock 2 serves as a holder for the E-gas module 3 and is also provided with recordings 4 and 5 for a brake pedal, not shown, and also not shown clutch pedal. In an automatic variant of the pedal assembly, not shown here, of course, the recording can be omitted 5 for the clutch pedal. The pedal bracket 2 is made as a one-piece plastic injection-molded part and has two retaining grooves 6 and 7 (see Fig. 2), in which two provided on the E-gas module 3 feet 8 and 9 engage. The e-gas module 3 is provided with a housing 10 made of plastic, with which the feet 8 and 9 are integrally formed. Further, an accelerator pedal 11 is pivotally mounted about a pivot axis 12 in a pedal bearing 29 of the E-gas module 3 at this and engages through an opening 13 in the housing 10 of the e-gas module 3 a. The grooves 6 and 7 and the feet 8 and 9 are supported on a straight line G which is perpendicular to the pivot axis 12.

From FIGS. 2 to 4 different sectional views of the pedal assembly 1 can be seen, wherein FIG. 2 shows a section along the straight line G and perpendicular to the straight line 12. Fig. 3 shows a running through the foot 8 section parallel to the line 12 and perpendicular to the line G. Further, Fig. 4 shows a running through the foot 9 section parallel to the line 12 and perpendicular to the line G.

At the foot 9, a snap hook 14 is arranged, which engages in a recess provided in the pedal bracket 2 recess 15 and is integrally formed with the foot 9 made of plastic. The snap hook 14 is also located on the straight line G and is provided at the end facing away from the foot 8 of the foot 9. The groove 6 has an engagement region 16 and an insertion region 17 whose groove opening 18 (see FIG. 6) is large enough that the foot 8 passes through the groove opening 18 into the groove 6 for mounting the e-gas module 3 to the pedal bracket 2 can be introduced. Subsequently, the E-gas module 3 is displaced in the direction of the arrow P until the foot 8 enters the engagement region 16. The groove opening 19 of the engagement region 16 is narrower than the groove opening 18, wherein the groove 6 in the engagement region 16 has two undercuts 20, in which engaging projections 21 provided on the foot 8 engage. The foot 8 and the Eingriffsb range 16 are formed in cross-section T-shaped, wherein the plane of symmetry S of this T-profile is preferably on the straight line G and perpendicular to the straight line 12 extends.

Further, the groove 7 has undercuts 26 and the foot 9 engaging projections 30 which engage in the undercuts 26, wherein the groove 7 and the foot 9 have a substantially T-shaped cross-sectional profile. The plane of symmetry S of this T-profile preferably lies on the straight line G and runs perpendicular to the straight line 12.

The groove 7 is closed at its end facing the groove 6 end face 22, so that when moving the e-gas module 3 in the direction of arrow P, the end face 22 for the foot 9 forms a stop on which the foot 9 in the fully assembled state of E. -Gasmoduls 3 is applied. By engaging in the recess 15 snap hook 14 a release of the E-gas module 3 is further reliably prevented by the pedal bracket 2 in the opposite direction of the arrow P. Only by disengaging snap hooks 14 and recess 15 is a disassembly of the e-gas module 3 by moving in the opposite direction of P possible, wherein the disengagement takes place by lifting the snap hook 14 in the direction of the arrow R.

The pedal 11 can be pivoted relative to the housing 10 or to the pedal bracket 2 within predetermined limits in the direction and in the opposite direction of the arrow Q about the pivot axis 12, wherein a sensor 23 shown in FIG. 3, the pivot angle of Detect pedals 11 and can deliver as an electronic signal to a control device 34. For this purpose, as shown in Fig. 5, a female connector 24 attached to the e-gas module 3.

The pedal bracket 2 is, as shown schematically and with dashed lines in Fig. 2, attached to the vehicle body 32 of a motor vehicle 33, in which also the electrically connected to the E-gas module 3 and the sensor 23 control device 34 is arranged.

From Fig. 6 is a partial perspective view of the pedal bracket 2 without E-gas module can be seen, so that the shape of the grooves 6 and 7 is clear. In particular, the insertion portion 17 has no undercuts, whereas the undercuts 20 are defined in the engaging portion 16 of projections 25 which define the groove opening 19. Further, the undercuts 26 of the groove 7 are defined by projections 27 which define the groove opening 31 of the groove 7.

It can also be seen from Fig. 6 that the recess 15 is provided in an integrally formed with the pedal bracket 2 support portion 28 on which the foot rests 9 when the foot 8 is in the insertion portion 17, before the e-gas module 3 by moving is positively engaged in the direction of the arrow P with the pedal bracket 2. The support area 28 thus serves as Montagehüfe.

The E-gas module 3 according to the invention can be attached in a simple manner to the pedal bracket 2 in a detachable manner, without the need for additional fastening means such as screws, bolts, bushes or nuts. Further, the E-gas module 3 can be completely pre-assembled before it is attached to the pedal bracket 2, which facilitates assembly and increases the variety of variants, since different E-gas modules can be mounted to different pedals when the connector is held uniform. LIST OF REFERENCE NUMBERS

pedal arrangement

Pedal bracket / bracket

E-gas module

Recording for brake pedal

Recording for clutch pedal

Holding in pedal bracket

Holding in pedal bracket

Foot of the E-gas module

Foot of the E-gas module

Housing of the E-gas module

accelerator

Swivel axle for accelerator pedal

Opening in housing

snap hooks

Recess in pedal bracket

engagement area

introduction section

Slot opening of the lead-in area

Slot opening of the engagement area

undercut

engaging projection

Front side / stop

sensor

socket

head Start

undercut

head Start

support area 29 pedal bearing

30 engaging projection

31 slot opening

32 vehicle body (schematic)

33 motor vehicle (schematic)

34 control device (schematic)

G straight

P Pfe

Q arrow

R whistle

S symmetry plane

Claims

Pedal arrangement for a motor vehicle patent claims 1. Pedal arrangement for a motor vehicle, with a holder (2) and attached to this via a plug connection E-gas module (3) with a pedal bearing (29) on which an accelerator pedal (11) about a pivot axis (12) is pivotally mounted , characterized in that the E-gas module (3) forms one of the holder (2) independent structural unit. 2. pedal assembly according to claim 1, characterized in that the e-gas module (3) and the holder (2) are additionally connected to each other via a snap connection. 3. Pedal assembly according to claim 1 or 2, characterized in that the plug connection has a first retaining groove (6) and an inserted in this first foot (8) which engages positively in the first retaining groove (6). 4. pedal assembly according to claim 3, characterized in that the first retaining groove (6) parallel to the pivot axis (12) and the first foot (8) parallel to the pivot axis (12) in the first retaining groove (6) is inserted. 5. pedal assembly according to claim 3, characterized in that the first retaining groove (6) perpendicular to the pivot axis (12) and the first foot (8) perpendicular to the pivot axis (12) in the first retaining groove (6) is inserted. 6. Pedal arrangement according to one of claims 3 to 5, characterized in that the first retaining groove (6) has an insertion region (17) and an engagement region (16) with an undercut (20), in which one on the first foot (8) provided Protrusion (21) engages, wherein the width of the groove opening of the insertion region transverse to the insertion direction is greater than the width of the groove opening of the engagement region transverse to the insertion direction. 7. pedal assembly according to claim 6, characterized in that the engagement region (16) and the insertion region (17) in a direction perpendicular to the pivot axis (12) are arranged side by side. 8. pedal assembly according to one of claims 3 to 7, characterized in that the first foot (8) on the E-gas module (3) and the first retaining groove (6) on the holder (2) is provided. 9. pedal assembly according to one of claims 3 to 8, characterized in that the connector at a distance from the first retaining groove (6) has a second retaining groove (7) and at a distance from the first foot (8) has a second foot (9) in the second retaining groove (7) is inserted and positively engages in this. 10. pedal assembly according to claim 9, characterized in that the second retaining groove (7) perpendicular to the pivot axis (12) and the second foot (9) perpendicular to the pivot axis (12) in the second retaining groove (7) is inserted. 11. Pedal arrangement according to claim 9 or 10, characterized in that the first retaining groove (6) and the second retaining groove (7) lie on a common straight line (G). 12. Pedal arrangement according to one of claims 9 to 11, characterized in that the second holding groove (7) on the first holding groove (6) facing end face (22) is closed. 13. Pedal arrangement according to one of claims 9 to 12, characterized in that the two feet (8, 9) on the holder (2) and the two retaining grooves (6, 7) are provided on the e-gas module (3). 14. Pedal arrangement according to one of claims 9 to 12, characterized in that the two feet (8, 9) on the E-gas module (3) and the two retaining grooves (6, 7) on the holder (2) are provided. 15. pedal assembly according to claim 14, characterized in that the second foot (9) has a snap hook (14) which engages in a recess (15) provided in the holder (2). 16. Motor vehicle with a pedal assembly (1) according to one of the preceding claims and a vehicle body (32), characterized in that the holder (2) on the vehicle body (32) is fixed.